
400298 MADCITYSERVERS-LLC, US
Adjacency: 1 Upstream: 1 Downstream: 0
Upstream Adjacent AS list
AS20278 NEXEON, US
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 77581 AS400298 ORIGIN Originate: 256 /24.00 Transit: 0 /0.00 MADCITYSERVERS-LLC, US
Aggregation Suggestions
Filter: Aggregates, Specifics
This report does not take into account conditions local to each origin AS in terms of policy or traffic engineering requirements, so this is an approximate guideline as to aggregation possibilities.
Rank AS AS Name Current Wthdw Aggte Annce Redctn % 77199 AS400298 MADCITYSERVERS-LLC, US 1 0 0 1 0 0.00% Prefix AS Path Aggregation Suggestion 172.99.249.0/24 6939 20278 400298
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS400298 3 More Specifics 4 Total Advertisements MADCITYSERVERS-LLC, US
45.59.168.0/24 45.59.168.0/22
50.114.102.0/24 50.114.0.0/16
158.51.113.0/24 158.51.112.0/23
192.209.63.0/24 192.209.62.0/23
Prefixes added and withdrawn by this origin AS in the past 7 days.
+ 45.59.168.0/24 Announced
+ 50.114.102.0/24 Announced
- 192.209.63.0/24 Withdrawn
whois: 402590
IANA has recorded AS400298 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS400298\n
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ASNumber: 400298
ASName: CHICAGOSERVERS
ASHandle: AS400298
RegDate: 2021-12-13
Updated: 2026-05-02
Ref: https://rdap.arin.net/registry/autnum/400298
OrgName: Madcityservers LLC
OrgId: ML-1415
Address: 603 discovery drive
City: west chicago
StateProv: IL
PostalCode: 60185
Country: US
RegDate: 2021-12-03
Updated: 2022-03-27
Ref: https://rdap.arin.net/registry/entity/ML-1415
OrgNOCHandle: WARRE428-ARIN
OrgNOCName: Warren, Brian
OrgNOCPhone: +1-847-553-4206
OrgNOCEmail: NETWORK@CHICAGOSERVERS.ORG
OrgNOCRef: https://rdap.arin.net/registry/entity/WARRE428-ARIN
OrgTechHandle: WARRE428-ARIN
OrgTechName: Warren, Brian
OrgTechPhone: +1-847-553-4206
OrgTechEmail: NETWORK@CHICAGOSERVERS.ORG
OrgTechRef: https://rdap.arin.net/registry/entity/WARRE428-ARIN
OrgAbuseHandle: ABUSE8036-ARIN
OrgAbuseName: Abuse
OrgAbusePhone: +1-847-553-4206
OrgAbuseEmail: report@chicagoservers.org
OrgAbuseRef: https://rdap.arin.net/registry/entity/ABUSE8036-ARIN
OrgRoutingHandle: WARRE428-ARIN
OrgRoutingName: Warren, Brian
OrgRoutingPhone: +1-847-553-4206
OrgRoutingEmail: NETWORK@CHICAGOSERVERS.ORG
OrgRoutingRef: https://rdap.arin.net/registry/entity/WARRE428-ARIN
OrgDNSHandle: WARRE428-ARIN
OrgDNSName: Warren, Brian
OrgDNSPhone: +1-847-553-4206
OrgDNSEmail: NETWORK@CHICAGOSERVERS.ORG
OrgDNSRef: https://rdap.arin.net/registry/entity/WARRE428-ARIN
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# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
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